Home / 302,631.13-417,634.10-166,667.77

Finding the Fourth Proportional to 302,631.13, 417,634.10 and 166,667.77

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Solution

The fourth proportional to 302,631.13, 417,634.10 and 166,667.77 is: 230,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,631.13 : 417,634.10 = 166,667.77 : x
  2. Step 2: Convert to fraction form
    302,631.13/417,634.10 = 166,667.77/x
  3. Step 3: Cross multiply
    302,631.13x = 417,634.10 × 166,667.77
  4. Step 4: Simplify right side
    302,631.13x = 69,606,143,495.54
  5. Step 5: Solve for x
    x = 69,606,143,495.54/302,631.13
  6. Step 6: Final answer
    x = 230,003.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.